HUB CONE & AXLE GAUGE WHEELS MANUFACTURING RDBenchtop ruler and thread gauge for all cones, locknuts, and axles Inch and metric scales run along the long edges for measuring axle and spoke lengths Gauges for the following cone and axle sizes: M9 x 1, M9 x 26tpi, M9. 5 (3 8`) x 24tpi, M9. 5 (3 8`) x 26tpi, M10 x 1, M10 x 26tpi Threaded holes measure the following thru axle sizes: 12 x 1, 12 x 1. 25, 12 x 1. 5, 12 x 1. 75, 14 x 1. 5, 15 x 1. 5 Durable red anodized aluminum with laser etching